In Situ Cosmogenic ¹⁰Be Dating of Laurentide Ice Sheet Retreat from Central New England, USA by Jason S. Drebber, Christopher T. Halsted, Lee B. Corbett, Paul R. Bierman, Marc W. Caffee

“…In Massachusetts, exposure ages from similar latitudes suggest ice may have occupied the Hudson River Valley up to 2 kyr longer (15.2 ± 0.3 ka, average, n = 2) than the Connecticut River Valley (17.4 ± 1.0 ka, average, n = 5). …”
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